AC Infinity rack exhaust
Pulls heat out of the top of the rack.
- Type
- 2U exhaust fan panel with controller
The lab
The hardware behind everything we run.
This is the kit everything else on the site runs on: one rack, a GPU node and a four-GPU AI server. Walk it in 3D, or read every spec in the list.
01 Walkthrough
The rack, and what stands beside it
Every unit is modelled in the position it occupies in the real cabinet. Pick a device in the 3D view, or read its card below.
Cat 6 patch panel
Structured cabling termination.
- Ports
- 24× Cat 6
UniFi Switch Pro Max 24
Core switching for the lab.
- Ports
- 24 switched
- Telemetry
- Per-port traffic, exported
UniFi Dream Machine Pro SE
Gateway, firewall and VPN hub for everything on this page.
- Role
- Routing, firewall, DHCP, VPN
- Ports
- 8× RJ45 + SFP+
- Telemetry
- Exported to the monitoring stack
Rack display
Runs the live network dashboard: the same galaxy view as the wall screen.
- Type
- ELEMENT monitor on a rack mount
1U router
Modular router under the display.
- Type
- 1U, modular interface slots
Cisco Catalyst, 48-port
48-port access switching in the rack.
- Ports
- 48× RJ45
- Uplinks
- 4× SFP
ADVA FSP 150CC
Carrier Ethernet demarcation: where the provider's circuit ends and the lab begins.
- Type
- Carrier Ethernet NID
- Ports
- 6× RJ45 + SFP
HPE ProLiant DL560 Gen10
Four-socket compute: the highest core count in the lab once it is running.
- CPU
- 4× Xeon Gold 6152, 2.1 GHz
- Cores / threads
- 88 / 176 (22 per socket)
- Memory
- 256 GB DDR4 ECC
- Storage
- 8 × 1.8 TB SAS (14.4 TB raw)
- Controller
- HPE Smart Array P408i-a
- Bays
- 8 SFF
HPE ProLiant DL360 Gen10
Dual-socket 1U compute.
- CPU
- 2× Xeon Silver 4208, 2.1 GHz
- Cores / threads
- 16 / 32 (8 per socket)
- Memory
- 128 GB
- Storage
- 4 × 1.2 TB + 3 × 300 GB HDD
Console shelf
Keyboard for hands-on work at the rack.
- Type
- Cantilever shelf
Cisco ME 3800X
Carrier Ethernet aggregation, with a compact ADVA demarcation unit on the shelf above it.
- Ports
- 24× SFP + 4× RJ45
- Uplinks
- 2× 10G SFP+
Dell PowerVault MD1220
The flash shelf: the bulk of the lab's storage, attached to the R730.
- Bays
- 24 × 2.5"
- Drives
- 24 × 1.8 TB SAS SSD
- Raw flash
- 43.2 TB
GPU node
AI inference, camera analytics and media transcoding.
- CPU
- AMD Ryzen 9 5950X
- Cores / threads
- 16 / 32
- Board
- ASUS ROG Crosshair VIII Formula
- Memory
- 64 GB (4 × 16 GB)
- GPU
- RTX 3080 Ti 12 GB + GTX 1080 Ti 11 GB
- VRAM
- 23 GB
- Storage
- 2 TB NVMe
- Guests
- 27 (22 containers, 5 VMs)
Dell PowerEdge R730
The virtualisation host. Nearly everything runs here.
- CPU
- 2× Xeon E5-2620 v3, 2.4 GHz
- Cores / threads
- 12 / 24
- Memory
- 384 GB (24 × 16 GB, every slot)
- Internal disk
- 7 × 1.2 TB + 1 × 300 GB SAS
- Boot / cache
- 1 TB NVMe
- External
- The MD1220 flash shelf above it
- Usable storage
- 48.1 TiB ZFS (shelf + internal)
- Network
- 2× 10 GbE + 2× 1 GbE
- Guests
- 86 (68 containers, 18 VMs)
Switched power strip
Ten individually switched outlets.
- Outlets
- 10, switched
AC Infinity rack cooling
Front cooling unit with a temperature display.
- Type
- 2U fan unit with thermostat
APC UPS
Battery backup for the rack.
- Type
- 2U rack-mount UPS
4× RTX 4090 AI server
Local LLM inference and agent workloads. Open-frame, on the desk beside the rack.
- CPU
- AMD Threadripper
- Memory
- 128 GB DDR4-3200
- GPU
- 4× RTX 4090 24 GB
- VRAM
- 96 GB
02 In service
The totals, with the arithmetic shown
Everything in the rack and on the desk, added up.
- Server CPU cores
- 132
- Server threads
- 264
- Memory
- 960 GB
- GPU memory
- 119 GB
- Storage
- 48.1 TiB usable ZFS + 20.1 TB in the HPE servers
- Guests
- 113
No address, hostname or software version appears here. This is a picture of the hardware, not a map of the estate.